Code 1

Valve Type

Q

Ball valve

TQ

Explosion-proof ball valve

BQ

YQ

Remote Control Valve

TVQ

V-Adjusting Ball Valve

TOQ

O-Adjusting Ball Valve

BYQ

Explosion-proof remote control valve

BTVQ

Explosion-proof V-Adjusting Ball Valve

D

Butterfly valve

Driving Mode

3

Manual (wrench driver can be omitted)

6

Pneumatic

9

Electric

Code 3

Connection

1

Internal thread

2

External thread

4

Flange

6

Welding

7

Wafer

Code 4

Structure

1

Floating ball straight through

4

L-floating ball-type links

5

Three T-floating ball-type

7

Fixed ball straight through

Code 5

Seat material

W

Ceramics

F

PTFE

G

Graphite

Y

Hard alloy

X

Rubber

Code 6

Nominal pressure

150

ANS1 150LB

300

ANS1 300LB

400

ANS1 400LB

600

ANS1 600LB

10

JIS 10K

20

JIS 20K

16

PN 1.6MPa

25

PN 2.5MPa

40

PN 4.0MPa

64

PN 6.4MPa

Code 7

Body material

C

Carbon Steel

P

Stainless steel  CF8

R

Stainless steel  CF8M

Code 8

Valve ball material

W

Ceramics

P

Stainless steel

C

Carbon Steel

F46

PTFE

Code 9

Lining material

B

Ceramics

F46

PTFE

Code 10

Nominal Path

15-500

15-500

1/2′-20′

1/2′-20′